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[7.x] [doc] known issues - week based patterns not working in 7.6 (#58099) #58227

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Jun 17, 2020
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[7.x] [doc] known issues - week based patterns not working in 7.6 (#58099) #58227

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17 changes: 17 additions & 0 deletions docs/reference/release-notes/7.6.asciidoc
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Expand Up @@ -168,6 +168,23 @@ that are incompatible with java.time patterns will cause parsing errors, incorre
https://github.com/elastic/elasticsearch/pull/52555
This is fixed in {es} 7.7 and later versions.

* Slow loggers can cause Log4j loggers to leak over time. When a new index is created,
a new Log4j logger is associated with it. However, when an index is deleted,
Log4j keeps an internal reference to its loggers that results in a memory leak (issue: {issue}56171[#56171])
+
This issue is fixed in {es} 6.8.10 and 7.7.1.

* Week-based date patterns are not working correctly with `Y`. Using `Y` with `w` will result in
a failed request and an exception in the logs (issue: {issue}57128[#57128]). Using `y` with `w` results in
incorrect date calculations. A workaround is to add the following line to the `jvm.options` file.
+
[source,shell]
--------------------------------------------
9-:-Djava.locale.providers=SPI,COMPAT
--------------------------------------------
+
This issue is fixed in {es} 7.7.0 and later versions (issue: {issue}50916[#50916]).

[[breaking-7.6.0]]
[float]
=== Breaking changes
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